parisc,metag: Do not hardcode maximum userspace stack size

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / parisc / include / asm / processor.h

diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h
index 198a86f..d951c96 100644 (file)
--- a/arch/parisc/include/asm/processor.h
+++ b/arch/parisc/include/asm/processor.h
@@ -55,6 +55,11 @@
 #define STACK_TOP      TASK_SIZE
 #define STACK_TOP_MAX  DEFAULT_TASK_SIZE
 
+/* Allow bigger stacks for 64-bit processes */
+#define STACK_SIZE_MAX (USER_WIDE_MODE                                 \
+                        ? (1 << 30)    /* 1 GB */                      \
+                        : (CONFIG_MAX_STACK_SIZE_MB*1024*1024))
+
 #endif
 
 #ifndef __ASSEMBLY__